WATERBURY — Green Mountain Coffee Roasters elected Norman Wesley as chairman of its board of directors.

A.D. “David” Mackay was elected an independent director.

Michael Mardy, who had previously served as interim chairman, will continue in his role as audit committee chairman.

“I am honored to assume the chairmanship of such an innovative and dynamic company and would like to formally thank Mike Mardy for undertaking that responsibility on an interim basis.” Wesley said. “Our board also is pleased to welcome David Mackay, a highly accomplished executive, to the board.

Mackay, 57, served as the chief executive officer of Kellogg Company from December 2006 to January 2011 and as president from August 2003 to January 2011.